======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '151'
                                          'artist'  'Kyuss'
                                     'text_people'  ''
                                         'release'  'Welcome to Sky Valley'
                                           'title'  '1000'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['stoner rock', 'stoner metal', 'rock', 'desert rock', 'stoner']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'rock-gr-stoner'
                                             'bpm'  '120.686'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     'Welcome to Sky Valley'
'TBPM' (BPM (beats per minute))                     '120.686'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-stoner'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         '1000'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kyuss'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['stoner rock', 'stoner metal', 'rock', 'desert rock', 'stoner']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.69 dB'
'TXXX:replaygain_track_peak'                        '0.507442'

========================== row from database ==========================
                                              'id'  1419451
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Kyuss - (1994) Welcome to Sky Valley/Kyuss - 100°.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  151
                                           'genre'  rock-gr-stoner
                                        'filesize'  6068869
                                           'mtime'  1636917517
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner (1994) 100° rock gr stoner
                                      'tag_artist'  Kyuss
                                     'tag_release'  Welcome to Sky Valley
                                       'tag_title'  1000
                                             'bpm'  120.686
                                    'search_title'  '1000':1
                                   'search_artist'  'kyuss':1
                                  'search_release'  'sky':3 'to':2 'valley':4 'welcome':1
                                     'search_rest'  '100':7 '1994':5,6 'garage':2 'gr':9 'punk':1 'rock':8 'stoner':4 'surf':3
                                    'search_combo'  '100':13 '1000':1A '1994':11,12 'garage':8 'gr':15 'kyuss':2B 'punk':7 'rock':14 'sky':5C 'stoner':10 'surf':9 'to':4C 'valley':6C 'welcome':3C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['stoner rock', 'stoner metal', 'rock', 'desert rock', 'stoner']
                                        'tag_date'  1994
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636917517.210009  (2021-11-14 20:18:37)
                             'size'  6068869